Update website

admin/phpMyAdmin/libraries/classes/ListDatabase.php

@@ -0,0 +1,165 @@
+<?php
+
+declare(strict_types=1);
+
+namespace PhpMyAdmin;
+
+use function array_merge;
+use function is_array;
+use function is_string;
+use function preg_match;
+use function sort;
+use function strlen;
+use function usort;
+
+/**
+ * handles database lists
+ *
+ * <code>
+ * $ListDatabase = new ListDatabase();
+ * </code>
+ *
+ * @todo this object should be attached to the PMA_Server object
+ */
+class ListDatabase extends ListAbstract
+{
+    public function __construct()
+    {
+        global $dbi;
+
+        parent::__construct();
+
+        $checkUserPrivileges = new CheckUserPrivileges($dbi);
+        $checkUserPrivileges->getPrivileges();
+
+        $this->build();
+    }
+
+    /**
+     * checks if the configuration wants to hide some databases
+     */
+    protected function checkHideDatabase(): void
+    {
+        if (empty($GLOBALS['cfg']['Server']['hide_db'])) {
+            return;
+        }
+
+        foreach ($this->getArrayCopy() as $key => $db) {
+            if (! preg_match('/' . $GLOBALS['cfg']['Server']['hide_db'] . '/', $db)) {
+                continue;
+            }
+
+            $this->offsetUnset($key);
+        }
+    }
+
+    /**
+     * retrieves database list from server
+     *
+     * @param string $like_db_name usually a db_name containing wildcards
+     *
+     * @return array
+     */
+    protected function retrieve($like_db_name = null)
+    {
+        global $dbi;
+
+        $database_list = [];
+        $command = '';
+        if (! $GLOBALS['cfg']['Server']['DisableIS']) {
+            $command .= 'SELECT `SCHEMA_NAME` FROM `INFORMATION_SCHEMA`.`SCHEMATA`';
+            if ($like_db_name !== null) {
+                $command .= " WHERE `SCHEMA_NAME` LIKE '" . $like_db_name . "'";
+            }
+        } else {
+            if ($GLOBALS['dbs_to_test'] === false || $like_db_name !== null) {
+                $command .= 'SHOW DATABASES';
+                if ($like_db_name !== null) {
+                    $command .= " LIKE '" . $like_db_name . "'";
+                }
+            } else {
+                foreach ($GLOBALS['dbs_to_test'] as $db) {
+                    $database_list = array_merge(
+                        $database_list,
+                        $this->retrieve($db)
+                    );
+                }
+            }
+        }
+
+        if ($command) {
+            $database_list = $dbi->fetchResult($command, null, null);
+        }
+
+        if ($GLOBALS['cfg']['NaturalOrder']) {
+            usort($database_list, 'strnatcasecmp');
+        } else {
+            // need to sort anyway, otherwise information_schema
+            // goes at the top
+            sort($database_list);
+        }
+
+        return $database_list;
+    }
+
+    /**
+     * builds up the list
+     */
+    public function build(): void
+    {
+        if (! $this->checkOnlyDatabase()) {
+            $items = $this->retrieve();
+            $this->exchangeArray($items);
+        }
+
+        $this->checkHideDatabase();
+    }
+
+    /**
+     * checks the only_db configuration
+     */
+    protected function checkOnlyDatabase(): bool
+    {
+        if (is_string($GLOBALS['cfg']['Server']['only_db']) && strlen($GLOBALS['cfg']['Server']['only_db']) > 0) {
+            $GLOBALS['cfg']['Server']['only_db'] = [
+                $GLOBALS['cfg']['Server']['only_db'],
+            ];
+        }
+
+        if (! is_array($GLOBALS['cfg']['Server']['only_db'])) {
+            return false;
+        }
+
+        $items = [];
+
+        foreach ($GLOBALS['cfg']['Server']['only_db'] as $each_only_db) {
+            // check if the db name contains wildcard,
+            // thus containing not escaped _ or %
+            if (! preg_match('/(^|[^\\\\])(_|%)/', $each_only_db)) {
+                // ... not contains wildcard
+                $items[] = Util::unescapeMysqlWildcards($each_only_db);
+                continue;
+            }
+
+            $items = array_merge($items, $this->retrieve($each_only_db));
+        }
+
+        $this->exchangeArray($items);
+
+        return true;
+    }
+
+    /**
+     * returns default item
+     *
+     * @return string default item
+     */
+    public function getDefault()
+    {
+        if (strlen($GLOBALS['db']) > 0) {
+            return $GLOBALS['db'];
+        }
+
+        return $this->getEmpty();
+    }
+}